1551220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{641}}^1$

素因数の和:672

約数の個数: 36

約数和(自身を含む): 3586212

約数和(自身を除く): 2034992

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 641, 1210, 1282, 2420, 2564, 3205, 6410, 7051, 12820, 14102, 28204, 35255, 70510, 77561, 141020, 155122, 310244, 387805, 775610, 1551220]

約数ペア:

[(1, 1551220), (2, 775610), (4, 387805), (5, 310244), (10, 155122), (11, 141020), (20, 77561), (22, 70510), (44, 35255), (55, 28204), (110, 14102), (121, 12820), (220, 7051), (242, 6410), (484, 3205), (605, 2564), (641, 2420), (1210, 1282)]